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gas

(Encyclopedia)gas, in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite volume. Like liqu...

Guthrie, Woody

(Encyclopedia)Guthrie, Woody (Woodrow Wilson Guthrie), 1912–67, American folk singer, guitarist, and composer, b. Okemah, Okla. Guthrie was an itinerant musician and laborer from the age of 13. Deeply involved in...

steering system

(Encyclopedia)steering system, in automobiles, steering wheel, gears, linkages, and other components used to control the direction of a vehicle's motion. Because of friction between the front tires and the road, es...

Brahe, Tycho

(Encyclopedia)Brahe, Tycho tīˈkō brä [key], 1546–1601, Danish astronomer. The most prominent astronomer of the late 16th cent., he paved the way for future discoveries by improving instruments and by his prec...

Peter III, czar of Russia

(Encyclopedia)Peter III, 1728–62, czar of Russia (1762), son of Charles Frederick, dispossessed duke of Holstein-Gottorp, and of Anna Petrovna, daughter of Peter the Great. He succeeded to the throne on the death...

Adler, Larry

(Encyclopedia)Adler, Larry (Lawrence Cecil Adler) ădˈlər [key], 1914–2001, American harmonica player, b. Baltimore. Adler, whose career spanned seven decades, is generally credited with elevating the harmonica...

O'Casey, Sean

(Encyclopedia)O'Casey, Sean shôn [key], 1884–1964, Irish dramatist, one of the great figures of the Irish literary renaissance. A Protestant, he grew up in the slum district of Dublin and was active in various s...

Hogarth, William

(Encyclopedia)Hogarth, William, 1697–1764, English painter, satirist, engraver, and art theorist, b. London. At the age of 15 he was apprenticed to a silver-plate engraver. He soon made engravings on copper for b...

Persepolis

(Encyclopedia)Persepolis pərsĕpˈəlĭs [key] [Gr.,=city of Persia], ancient city of Persia, ceremonial capital of the Achaemenid empire under Darius I and his successors. The administrative capitals were elsewhe...

Williams, William Carlos

(Encyclopedia)Williams, William Carlos, 1883–1963, American poet and physician, b. Rutherford, N.J., educated in Geneva, Switzerland, Univ. of Pennsylvania (M.D., 1906), and Univ. of Leipzig, where he studied ped...